# Guides

- [Declare a WordPress feature once: REST route, WP-CLI command and Ability with wp-kit](https://mammothwp.com/guides/declare-once-rest-wp-cli-ability-wp-kit/): Use mammothwp/wp-kit to declare a plugin operation once and register it as a REST route, a WP-CLI command and a WordPress Ability from one definition.
- [Run your plugin's checks on a real WordPress site with wp-self-test](https://mammothwp.com/guides/wordpress-plugin-self-test-wp-self-test/): Use mammothwp/wp-self-test to ship a manifest of checks with your plugin and run them on a real site from wp-admin, WP-CLI, REST or the Abilities API.
- [Add a support screen to your WordPress plugin with mammothwp/support](https://mammothwp.com/guides/wordpress-plugin-support-screen-mammothwp-support/): Use mammothwp/support to give your plugin a shared wp-admin support screen that sends tickets with wp_mail, with an opt-in site report the user can preview.
- [Build, check and ship a WordPress plugin release with wp-release](https://mammothwp.com/guides/build-check-deploy-wordpress-plugin-wp-release/): Use mammothwp/wp-release to build a plugin zip, run Plugin Check on it in a throwaway site and deploy it to wordpress.org SVN, the same way locally and in CI.
- [Video: add a Support screen to a WordPress plugin in about a minute](https://mammothwp.com/guides/video-support-screen-walkthrough/): A screen recording of mammothwp/support: composer require, one register_plugin() call, Tools > Support, the opt-in site report, and a disabled Send button when no email is set.